4.For big size and thickness pipes, can produce 2-3m/min; for small sizes and thickness pipes, can produce 4-6m/min

5.This type machine is mainly for stainless steel pipe, and low speed Iron pipe. Compare with the HF welder steel pipe forming and welding machine, this type machine is much cheaper, easier to operate, but speed is much slower.

6.Especially use to make shelf square pipes, means square pipe with holes on each faces. To make shelf square pipe with holes, this machine is better than pipe punching machine, as pipe punching machine tools are easy to break.